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Imported leishmaniasis in travelers: a 7-year retrospective from a Parisian hospital in France

Abstract : Background: Leishmaniases are regularly seen in non-endemic areas due to the increase of international travels. They include cutaneous leishmaniases (CL) and mucocutaneous (MC) caused by different Leishmania species, and visceral leishmaniases (VL) which present with non-specific symptoms. Methods: We reviewed all consecutive leishmaniasis cases seen between September 2012 and May 2020. The diagnostic strategy included microscopy after May-Grünwald-Giemsa staining, a diagnostic quantitative PCR (qPCR) assay, and species identification based on sequencing of the cytochrome b gene. Results: Eighty-nine patients had a definitive leishmaniasis diagnosis. Nine patients had VL with Leishmania infantum. Eighty patients had CL. Twelve patients acquired CL after trips in Latin America (7 Leishmania guyanensis, 2 Leishmania braziliensis, 2 Leishmania mexicana, and 1 Leishmania panamensis). Species could be identified in 63 of the 68 CLs mainly after travel in North Africa (59%) with Leishmania major (65%), Leishmania tropica/killicki (24%), and L. infantum (11%), or in West Sub-Saharan Africa (32%), all due to L. major. The median day between appearance of the lesions and diagnosis was 90 [range 60-127]. Conclusions: Our diagnostic strategy allows both positive diagnoses and species identifications. Travelers in West Sub-Saharan Africa and North Africa should be better aware of the risk of contracting leishmananiasis.
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https://www.hal.inserm.fr/inserm-03356869
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Submitted on : Tuesday, September 28, 2021 - 2:40:12 PM
Last modification on : Thursday, September 30, 2021 - 3:11:46 AM

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Nesrine Aissaoui, Samia Hamane, Maud Gits-Muselli, Antoine Petit, Mazouz Benderdouche, et al.. Imported leishmaniasis in travelers: a 7-year retrospective from a Parisian hospital in France. BMC Infectious Diseases, BioMed Central, 2021, 21 (1), pp.953. ⟨10.1186/s12879-021-06631-5⟩. ⟨inserm-03356869⟩

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